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VISCOSITY MCQs

Total Questions : 30 | Page 3 of 3 pages
Question 21. Which magma type would generally have the lowest viscosity?
  1.    basalt
  2.    andesite
  3.    dacite
  4.    rhyolite
 Discuss Question
Answer: Option A. -> basalt
Question 22. Which of the following oils has the highest viscosity
  1.    SAE 20
  2.    SAE 10
  3.    SAE 50
  4.    SAE 45
 Discuss Question
Answer: Option C. -> SAE 50
Question 23. A fluid having no viscosity is known as
  1.    Real fluid
  2.    Ideal fluid
  3.    Newtonian fluid
  4.    Non-Newtonian fluid
 Discuss Question
Answer: Option B. -> Ideal fluid
Question 24. The coefficient of viscosity may be determined by
  1.    Capillary tube method
  2.    Orifice type viscometer
  3.    Rotating cylinder method
  4.    All of above
 Discuss Question
Answer: Option D. -> All of above
Question 25. The viscosity of a fluid in motion is 1 poise
  1.    0
  2.    0.5
  3.    1
  4.    2
 Discuss Question
Answer: Option C. -> 1
Question 26. Viscosity index is a measure for the change of viscosity with change in
  1.    Temperature
  2.    Pressure
  3.    Volume
  4.    Weather
 Discuss Question
Answer: Option A. -> Temperature
Question 27. Highly explosive volcanoes tend to have what type of magma?
  1.    magma with high silica, high viscosity, and higher gas content
  2.    magma with low silica, low viscosity, and lower gas content
  3.    magma with low silica, high viscosity, and lower gas content
  4.    magma with no silica, high viscosity, and no gas content
 Discuss Question
Answer: Option A. -> magma with high silica, high viscosity, and higher gas content
Question 28. What is flow rate?
  1.    The speed of a fish swimming across a lake.
  2.    The speed of a rocket going to the moon.
  3.    The speed which a fluid flows from one point to another.
  4.    None of these
 Discuss Question
Answer: Option C. -> The speed which a fluid flows from one point to another.
Question 29. Which unit of measurement is used for volume?
  1.    grams
  2.    centimeters
  3.    grams/milliliter
  4.    milliliter
 Discuss Question
Answer: Option D. -> milliliter
Question 30. What is fluid flow?
  1.    Describes how fluids behave when frozen.
  2.    Describes how fluids behave when heated.
  3.    Describes how fluids behave in their surrounding environment.
  4.    none of the above
 Discuss Question
Answer: Option C. -> Describes how fluids behave in their surrounding environment.

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